.slider {
  display: flex;
  align-items: center;
  padding: 0 9px;
  height: 40px;
}

.slider-track {
  width: 100%;
  height: 4px;
}

.slider-bar {
  height: 100%;
}

.slider-thumb {
  position: absolute;
  top: 50%;
  margin-top: -9px;
  width: 18px;
  height: 18px;
  border-radius: 9px;
  border-width: 4px;

  &:hover {
    border-width: 3px;
  }
}
